THE AIR- PROPERTIES

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Air takes up space and has no fixed shape. The atmosphere consists of different layers including the ozone layer. Weather is influenced by temperature, precipitation, wind, while air pollution comes from toxic gases, so recycling helps address these issues.

Clouds What are clouds? A cloud is a large collection of very tiny droplets of water or ice crystals. The droplets are so small and light that they can float in the air. Why do clouds float? A cloud is made up of liquid water droplets. A cloud forms when air is heated by the sun. As it rises, it slowly cools it reaches the saturation point and water condenses, forming a cloud. As long as the cloud and the air that its made of is warmer than the outside air around it, it floats! There are 3 main types of clouds: Cirrus or thin feathery clouds Stratus or layered clouds Cumulus or fluffy clouds Cirrus Clouds Are the most common of the high clouds. They are composed of ice and are thin, wispy clouds blown in high winds into long streamers. Cirrus clouds are usually white and predict fair to pleasant weather. By watching the movement of cirrus clouds you can tell from which direction weather is approaching. When you see cirrus clouds, it usually indicates that a change in the weather will occur within 24 hours. Stratus Clouds are uniform grayish clouds that often cover the entire sky. They resemble fog that doesn't reach the ground. Light mist or drizzle sometimes falls out of these clouds. Cumulus Clouds are white, puffy clouds that look like pieces of floating cotton. Cumulus clouds are often called "fair-weather clouds". The base of each cloud is flat and the top of each cloud has rounded towers. When the top of the cumulus clouds resemble the head of a cauliflower, it is called cumulus congestus or towering cumulus. These clouds grow upward and they can develop into giant cumulonimbus clouds, which are thunderstorm clouds. The Importance of Clouds Clouds help regulate Earth's energy balance by reflecting and scattering solar radiation and by absorbing Earth's infrared energy. Clouds are required for precipitation to occur and, hence are an essential part of the hydrologic cycle. Clouds indicate what type of atmospheric processes are occurring (e.g., cumulus clouds indicate surface heating and atmospheric turbulence). Clouds help redistribute extra heat from the equator toward the poles. References https://www.google.com/search?q=clouds&biw=1366&bih=624&source=lnms&tbm=isch&sa=X&ved=0ahUKEwixqOqjlu3NAhVHNpQKHbtGCE0Q_AUIBigB#imgrc=_ https://www.google.com/search?biw=1366&bih=624&tbm=isch&q=clouds+clipart&sa=X&ved=0ahUKEwir8paml-3NAhXGkJQKHSrFAPUQhyYIHQ&dpr=1#imgrc=WZWIVB52x_MJRM%3A https://en.wikipedia.org/wiki/List_of_cloud_types http://www.weatherwizkids.com/weather-clouds.htm

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